212135357373 has 8 divisors (see below), whose sum is σ = 285647610336. Its totient is φ = 140023338000.

The previous prime is 212135357353. The next prime is 212135357377. The reversal of 212135357373 is 373753531212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212135357373 - 2¹⁸ = 212135095229 is a prime.

It is a super-2 number, since 2×212135357373² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212135357377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350058043 + ... + 350058648.

It is an arithmetic number, because the mean of its divisors is an integer number (35705951292).

Almost surely, 2^212135357373 is an apocalyptic number.

It is an amenable number.

212135357373 is a deficient number, since it is larger than the sum of its proper divisors (73512252963).

212135357373 is a wasteful number, since it uses less digits than its factorization.

212135357373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700116795.

The product of its digits is 396900, while the sum is 42.

Adding to 212135357373 its reverse (373753531212), we get a palindrome (585888888585).

The spelling of 212135357373 in words is "two hundred twelve billion, one hundred thirty-five million, three hundred fifty-seven thousand, three hundred seventy-three".